Fix return types.

Author: HexDecimal

src/item.cpp

@@ -1075,7 +1075,7 @@ ItemCombination *Item::getCombination() const {
 Item *Item::putInContainer(Item *it) {
 	ItemFeatureContainer *cont=(ItemFeatureContainer *)it->getFeature(ItemFeature::CONTAINER);
 	if ( ! cont ) return NULL; // it is not a container
-	if ( it->stack.size() >= cont->size ) return false; // no more room
+	if ( it->stack.size() >= cont->size ) return nullptr; // no more room
 	Item *item = addToList(&it->stack);
 	item->container=it;
 	item->x=it->x;

src/map_dungeon.cpp

@@ -726,7 +726,7 @@ bool Dungeon::hasItemType(int x, int y, const ItemType *type) {
 }
 
 Item *Dungeon::getItem(int x, int y, const ItemType *type) {
-	if (!IN_RECTANGLE(x,y,width,height)) return false;
+	if (!IN_RECTANGLE(x,y,width,height)) return nullptr;
 	Cell *cell=getCell(x,y);
 	for (Item **it=cell->items.begin(); it != cell->items.end(); it++) {
 		if ((*it)->isA(type)) return *it;
@@ -735,7 +735,7 @@ Item *Dungeon::getItem(int x, int y, const ItemType *type) {
 }
 
 Item *Dungeon::getItem(int x, int y, const char *typeName) {
-	if (!IN_RECTANGLE(x,y,width,height)) return false;
+	if (!IN_RECTANGLE(x,y,width,height)) return nullptr;
 	return getItem(x,y,ItemType::getType(typeName));
 }